print("Hello, Python!")

name="alice"
age=25

print(f"name:{name},age:{age}")

# 基本数据类型
num=10
price=19.89
is_active=False
text="python"

if age<16:
    print("未成年")
elif age>18:
    print("成年人")


for i in range(5):
    print(i)

count=0
while count<3: 
    print(count)
    count+=1


def great(name):
    return f"hello ,{name}"

print(great(name))

import math

print(math.sqrt(16))
